Massage roller



FIG. 1 is a front perspective view of a massage roller in an extended configuration, illustrating an embodiment of the design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a left elevation view thereof;

FIG. 4 is a right elevation view thereof; and,

FIG. 5 is a front perspective view of the massage roller in a retracted configuration.

The broken lines depict portions of the massage roller and form no part of the claimed design. The pairs of closely adjacent, spaced wavy break lines in the drawings form no part of the claimed design. The massage roller is shown with a symbolic break in its length. The appearance of any portion of the massage roller between the break lines forms no part of the claimed design. 

CLAIM The ornamental designs for a massage roller, as shown and described. 